CF1762565195856-tsm20251105200708

WWW.RTSAK.COM - 152.82.157.in-addr.arpa

Search for IP or hostnames:

152.82.157.in-addr.arpa checked at 2025-11-08T01:26:35.839Z 1298ms 67/67/67 100% R:30

152.82.157.in-addr.arpa

NSpenguin.iis.u-tokyo.ac.jp
A2404:d540:1:8200:157:82:144:140 🇯🇵 UTnet
A157.82.144.140🇯🇵 UTnet
PTRpenguin.iis.u-tokyo.ac.jp
NSdns1.nc.u-tokyo.ac.jp
A2001:200:180::35:1 🇯🇵 WIDE Project
PTRdns1.nc.u-tokyo.ac.jp
A133.11.0.1🇯🇵 UTnet
PTRdns1.nc.u-tokyo.ac.jp
NSdns2.nc.u-tokyo.ac.jp
A2001:2c0:ce07:f900::2 🇯🇵 InfoSphere
A119.245.132.49🇯🇵 InfoSphere
NSdns3.nc.u-tokyo.ac.jp
A2001:200:180::35:3 🇯🇵 WIDE Project
PTRdns3.nc.u-tokyo.ac.jp
A157.82.0.1🇯🇵 UTnet
PTRdns3.nc.u-tokyo.ac.jp

82.157.in-addr.arpa

NSdns1.nc.u-tokyo.ac.jp
NSdns2.nc.u-tokyo.ac.jp
NSdns3.nc.u-tokyo.ac.jp

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Starts with same word

Starts similarily

AI analysis

The parent of 53.152.82.157.in-addr.arpa is 152.82.157.in-addr.arpa.

152.82.157.in-addr.arpa's delegation is handled by four name servers: penguin.iis.u-tokyo.ac.jp, dns1.nc.u-tokyo.ac.jp, dns2.nc.u-tokyo.ac.jp and dns3.nc.u-tokyo.ac.jp.

152.82.157.in-addr.arpa partially shares name servers with other domains; examples include 197.69.130.in-addr.arpa, hc.u-tokyo.ac.jp, ocw.u-tokyo.ac.jp, 125.69.130.in-addr.arpa and nc.u-tokyo.ac.jp.

These name servers are commonly used alongside dns101.ecc.u-tokyo.ac.jp, dns.ecc.u-tokyo.ac.jp, ns1.s.u-tokyo.ac.jp, ns2.s.u-tokyo.ac.jp, ns1.t.u-tokyo.ac.jp, dnsserver02.ecc.u-tokyo.ac.jp, dnsserver03.ecc.u-tokyo.ac.jp, dnsserver04.ecc.u-tokyo.ac.jp, ns.a.u-tokyo.ac.jp and ns.rcast.u-tokyo.ac.jp.

Host names with two IPs:

penguin.iis.u-tokyo.ac.jp points to 2404:d540:1:8200:157:82:144:140 and 157.82.144.140

dns1.nc.u-tokyo.ac.jp points to 2001:200:180::35:1 and 133.11.0.1

dns2.nc.u-tokyo.ac.jp points to 2001:2c0:ce07:f900::2 and 119.245.132.49

dns3.nc.u-tokyo.ac.jp points to 2001:200:180::35:3 and 157.82.0.1

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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